| Type | Name | Size | Date |
 | Immersible Aerator | 631KB | 17.01.2012 |
 | Waste Water Treatment Plants | 375KB | 17.01.2012 |
| Mixing & Equalization Basins and Single Basin Plants | 143KB | 17.01.2012 |
| SBR-Plants | 569KB | 17.01.2012 |
 | Waste Water Neutralization | 96KB | 17.01.2012 |
| Type | Name | Size | Date |
| Immersible Aerator | 631KB | 17.01.2012 |
| Waste Water Treatment Plants | 375KB | 17.01.2012 |
| Mixing & Equalization Basins and Single Basin Plants | 143KB | 17.01.2012 |
| SBR-Plants | 569KB | 17.01.2012 |
| Waste Water Neutralization | 96KB | 17.01.2012 |